addpath('npy-matlab-master\npy-matlab')
A1 = readNPY('map_I_680nm_30K_niI2_x.npy')
A1=A1*5e12
surf(A1,'edgecolor','none')
set(gca,'xlim',[1 24],'ylim',[7 30])
view(2)
%colormap(winter)
caxis([-3,3])
set(gca,'box','on','Xcolor',[0 0 0],'Ycolor',[0 0 0])
xticks({})
yticks({})
colorbar('Ticks',[-2:2:2],'TickLabels',{})
set(gcf,'Position',[0, 0, 360, 300])